Microsoft Defender 'RoguePlanet' zero-day grants SYSTEM privileges
A security researcher has released a new Microsoft Defender zero-day exploit named "RoguePlanet" just hours after Microsoft fixed two previously disclosed flaws during June 2026 Patch Tuesday.
Grace Ops
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audit trail / provenance2
Provenance
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- severity.upliftheuristicn/aActive exploitation / in-the-wild language detected — floor raised to at least high.
- severity.upliftheuristicn/aCombined zero-day/exploit + ransomware/mass-impact signals → critical.
What changed
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Sources
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